Boca Juniors beat River Plate 4-1. Mario Emilio Boyé scored 2 goals.

1. 0'
   ⚽Kick-off
   Primera División 1945
   Referee: Forte
2. 1. First half
   2. 23'
      ARG
      GOOOAL!PCPío Sixto Corcuera
   3. 25'
      ARG
      GOOOAL!JRJose Ramos
   4. 35'
      ARG
      GOOOAL!MBMario Emilio Boyé
3. 1. Second half
   2. 67'
      ARG
      GOOOAL!MBMario Emilio Boyé
   3. 88'
      ARG
      GOOOAL!JSJaime Sarlanga